Floyd Mayweather is set to make an announcement today (Image: GETTY) Mayweather revealed in an Instagram video that he will make an announcement today It has been suggested the undefeated boxer is planning a mega-money rematch against Pacquiao The pair went toe-to-toe in a blockbuster bout at Madison Square Garden four years ago And 42-year-old Mayweather may be about to come back from retirement. Related articles Anthony Joshua vs Jarrell Miller in doubt after failed drug test claim Anthony Joshua: David Haye phoned Eddie Hearn TODAY about June 1 bout However, Fox Sports’ Mike Coppinger has ruled out any chance of a fight with Pacquiao “SOURCES: Floyd Mayweather’s announcement tomorrow isn’t expected to be any bombshell,” Coppinger wrote on Twitter “Manny Pacquiao remains on track to meet Keith Thurman in July on PPV.” Another suggestion if Mayweather is to return to combat sports in a rematch against Conor McGregor Related articles Boxing news: Anthony Joshua offered TWO surprise opponents Anthony Joshua: Eddie Hearn faces major Adam Kownacki problem Boxing fans are hoping to see Mayweather vs Pacquiao 2 (Image: GETTY) UFC star McGregor turned his hand to boxing in 2017 and gave a spirited performance It is unlikely the Irishman will battle Mayweather again but it has not stopped fans guessing “He’s gonna KO that tomato can McGregor again,” one fan wrote on Twitter. While another added: “McGregor vs Mayweather 2! It has to be!” Related articles Jarrell Miller SLAMMED by fans as Anthony Joshua clash in doubt Anthony Joshua: The FIVE Jarrell Miller replacements fans demand Floyd Mayweather teased the announcement on Instagram (Image: GETTY) However, other theories suggest that Mayweather may not be returning at all There are claims he is set to announce a new boxing video game or even expanding his gym franchise Mayweather posted a video on his Instagram page with the caption “get ready” earlier this week The video shows the undefeated boxer walking with his entourage in a car park before sitting at a press conference table “Thank you to the media and my business partners. I have an announcement to make,” he says The clip finishes with a graphic of “Announcement Wednesday” written out.